/*
 * Copyright (c) 2019 Memorial Sloan-Kettering Cancer Center.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY, WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS
 * FOR A PARTICULAR PURPOSE. The software and documentation provided hereunder
 * is on an "as is" basis, and Memorial Sloan-Kettering Cancer Center has no
 * obligations to provide maintenance, support, updates, enhancements or
 * modifications. In no event shall Memorial Sloan-Kettering Cancer Center be
 * liable to any party for direct, indirect, special, incidental or
 * consequential damages, including lost profits, arising out of the use of this
 * software and its documentation, even if Memorial Sloan-Kettering Cancer
 * Center has been advised of the possibility of such damage.
 */

/*
 * This file is part of cBioPortal.
 *
 * cBioPortal is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.cbioportal.legacy.persistence.util;

import org.ehcache.event.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class CacheEventLogger implements CacheEventListener<Object, Object> {

  private static final Logger log = LoggerFactory.getLogger(CacheEventLogger.class);

  // this is to allow spring to inject EhcacheStatistics via MethodInvokingFactoryBean
  private static EhcacheStatistics ehcacheStatistics;

  public static void setCacheStatistics(EhcacheStatistics ecs) {
    ehcacheStatistics = ecs;
  }

  @Override
  public void onEvent(CacheEvent<? extends Object, ? extends Object> cacheEvent) {
    if (log.isDebugEnabled()) {
      log.debug(
          "CACHE_EVENT:\n"
              + "\tTYPE: "
              + cacheEvent.getType()
              + "\n"
              + "\tKEY: "
              + cacheEvent.getKey()
              + "\n"
              + "\tVALUE: "
              + cacheEvent.getNewValue()
              + "\n"
              + "CACHE_EVENT<>\n");
      log.debug(ehcacheStatistics.getCacheStatistics());
    }
  }
}
